﻿<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="实验1-4.aspx.cs" Inherits="计科201518彭康.实验1_4" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
        </div>
        <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
            <asp:ListItem>请选择城市--</asp:ListItem>
            <asp:ListItem>北京</asp:ListItem>
            <asp:ListItem>天津</asp:ListItem>
            <asp:ListItem>上海</asp:ListItem>
        </asp:DropDownList>
        <asp:DropDownList ID="DropDownList2" runat="server" AutoPostBack="True">
            <asp:ListItem>请选择区域--</asp:ListItem>
        </asp:DropDownList>
    </form>
</body>
</html>
